Cheeseburger Pie

1lb ground beef
1 large onion, chopped (1 cup)
1/2 teaspoon salt
1 cup shredded Cheddar cheese
1/2 cup Original Bisquick
1 cup milk
2 eggs

1. Heat oven to 400.  Spray pie plate with cooking spray.

2. Cook beef and onion in 10" skillet over medium heat 8-10mins, stirring occasionally, until beef is brown; drain. Stir in salt. Spread in pie plate; sprinkle with cheese.

3. Stir together remaining ingredients until blended.  Pour into pie plate.  Bake about 25 mins or until knife inserted in center comes out clean.